1297040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 3118848

約数和(自身を除く): 1821808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 523, 620, 1046, 1240, 2092, 2480, 2615, 4184, 5230, 8368, 10460, 16213, 20920, 32426, 41840, 64852, 81065, 129704, 162130, 259408, 324260, 648520, 1297040]

約数ペア:

[(1, 1297040), (2, 648520), (4, 324260), (5, 259408), (8, 162130), (10, 129704), (16, 81065), (20, 64852), (31, 41840), (40, 32426), (62, 20920), (80, 16213), (124, 10460), (155, 8368), (248, 5230), (310, 4184), (496, 2615), (523, 2480), (620, 2092), (1046, 1240)]